Work with Us. Change the World.

At AECOM, we're delivering a better world. Whether improving your commute, keeping the lights on, providing access to clean water, or transforming skylines, our work helps people and communities thrive. We are the world's trusted infrastructure consulting firm, partnering with clients to solve the world’s most complex challenges and build legacies for future generations.

There has never been a better time to be at AECOM. With accelerating infrastructure investment worldwide, our services are in great demand. We invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world.

We're one global team driven by our common purpose to deliver a better world. Join us.

The AECOM Southwest Dams Department in Orange, California is seeking an experienced Principal Geotechnical Engineer with expertise in dams and levees to take on a leadership role within our geotechnical engineering practice.

This position provides the opportunity to lead and support major dam infrastructure projects, including dam safety evaluations, rehabilitation programs, and new dam design. The successful candidate will direct and support multidisciplinary teams working on various types of dams and related infrastructure such as spillways, outlet works, pump stations, and associated hydraulic structures.

The ideal candidate will bring strong technical expertise in geotechnical engineering for dams, experience leading engineering teams, and the ability to collaborate with a wide range of technical disciplines. This role also includes mentoring staff and supporting business development efforts with existing and new clients across the region.

Responsibilities for this position include, but are not limited to:

• Provide senior-level technical leadership and support to project teams on dam and levee projects including planning, design, inspection, construction observation, and regulatory compliance activities.
• Lead or support geotechnical design and analyses for dams, including slope stability, seepage, and seismic performance evaluations.
• Manage large multidisciplinary project teams and contribute to the successful delivery of complex dam infrastructure projects.
• Provide project management support or lead dam design and construction projects, including client coordination, contract management, planning, execution, and financial management, while serving in a Deputy Project Manager role on major projects.
• Oversee field exploration programs and characterization of soil and rock materials, including laboratory testing programs.
• Direct teams performing slope stability and seepage analyses and developing stabilization measures for dams, levees, spillways, and related infrastructure.
• Coordinate with teams performing hydrologic and hydraulic analyses, structural engineering, and civil design associated with dam and spillway projects.
• Support or lead dam construction oversight and field observation during rehabilitation or new construction activities.
• Perform and review seismic stability and deformation analyses of dams, including evaluation of earthquake ground motions, liquefaction potential, and earthquake-induced deformations.
• Oversee preparation of technical reports, independent dam safety inspections, and potential failure mode analyses (PFMA).
• Support business development efforts by identifying opportunities, strengthening relationships with dam and levee owners, and contributing to proposal preparation.
• Ensure quality and technical excellence of project deliverables through reviews and oversight.
• Mentor and support the technical development of junior and mid-level engineers.
• Perform Independent Technical Reviews (ITR) for dam-related projects.
• Serve as a local technical expert within a specialty area of geotechnical engineering for dams.
• Stay informed on industry developments, regulatory requirements, and best practices related to dam engineering and safety.
• Interpret, organize, and coordinate complex engineering assignments, making independent decisions on technical challenges and representing the organization in meetings and conferences with clients and regulatory agencies.
• Apply advanced engineering knowledge and experience to resolve complex technical challenges and unique project conditions.

Minimum Requirements

• BA/BS degree in Civil Engineering and 10+ years of relevant experience with dam projects including inspection, rehabilitation, and/or design and construction, or demonstrated equivalency of education and experience
• Professional Engineer (PE) license
• Valid Driver’s License

Preferred Qualifications

• Master’s degree or PhD in Civil Engineering
• Established client relationships with dam and levee owners in California
• California Geotechnical Engineer (GE) license
• 20+ years of experience in geotechnical engineering related to dams and levees
• U.S. Citizenship
• Strong commitment to safe project execution and dam safety practices
• Willingness to travel locally as required for project support
• Excellent verbal and written communication skills
• Government security clearance or ability to obtain clearance

• Relocation is not offered for this role
• Sponsorship is not offered for this position now, or in the tuture.

About AECOM 

AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. 

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. 

What makes AECOM a great place to work 

You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community—where you have the freedom to grow in a world of opportunity. 

As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.